Find out how popular the last name Casais is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Casais.

Casais, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Casais surname is from the 2010 census data.

Popularity of Casais in America

Casais is the 93513th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Casais surname appeared 196 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname Casais.

We can also compare 2010 data for Casais to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

The history of the last name Casais

The surname Casais has its origins in Portugal, dating back to the medieval period. It is believed to be derived from the Portuguese word "casal," which refers to a small rural property or farmhouse. The name was likely adopted by families who resided in or owned such properties.

One of the earliest recorded instances of the name Casais can be found in the 13th century, when a nobleman named João Casais was mentioned in a historical document from the region of Coimbra. This suggests that the name was already established in central Portugal by that time.

During the 15th century, the name appears in various records related to the Portuguese colonization of the Azores Islands. Some of the earliest settlers bearing the surname Casais were among those who helped establish communities on islands like São Miguel and Terceira.

In the 16th century, a prominent figure named Pedro Casais was a renowned explorer and navigator who accompanied Ferdinand Magellan on his historic voyage around the world. Pedro Casais played a crucial role in the expedition and is credited with helping to chart new routes across the Pacific Ocean.

Another notable individual with the surname Casais was Manuel Casais (1640-1712), a celebrated Portuguese architect who designed several churches and other notable buildings in Lisbon and its surroundings. His masterpiece is considered to be the Igreja da Memória, a remarkable baroque church in the city's historic center.

In the 19th century, José Casais (1825-1893) was a prominent Portuguese politician and statesman who served as Prime Minister of Portugal from 1870 to 1877. He played a significant role in promoting economic reforms and modernizing the country's infrastructure during his tenure.

As the Portuguese empire expanded across the globe, the surname Casais spread to various colonies and territories, including Brazil, Africa, and Asia. Today, it is a relatively common surname found not only in Portugal but also in other Portuguese-speaking countries and communities worldwide.

Race and ethnic origin of people with the last name Casais

We also have some data on the ancestry of people with the surname Casais.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

1. White only
2. Black only
3. American Indian and Alaskan Native only
4. Asian and Pacific Islander only
5. Hispanic
6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Casais was:

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Casais has changed in the 10 years between the two census surveys.

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Casais was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Casais, please contact us.

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